The US and Arab allies have launched the first air strikes on Islamic State militants inside Syria.
The Pentagon says fighter and bomber jets and Tomohawk missiles have been used to target IS positions.
It's reported that many of the strikes have been around Raqqa province, which has been an IS stronghold in eastern Syria since 2013.
Bahrain, Jordan, Qatar, Saudi Arabia and the UAE are said to be involved alongside the US.
Middle East analyst Meir Javedanfar says the participation of Arab nations is significant.
IN: "It's amazing…
OUT: ...to be."
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Middle East analyst Meir Javedanfar says the move towards action inside Syria will hurt IS.
IN: "If they…
OUT: ...blow."
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